22（）

单项选择题21（）

A．method
B．law
C．rule
D．course

单项选择题According to the writer, a problem with written communication is that（）

A．the message can be interpreted differently from what was intended.
B．it can be easy for people to ignore the contents of a written message.
C．most people are more comfortable with face-to-face communication.
D．it is possible for correspondence to get lost within a large organisation.